What intermediate power settings are available

Reference no: EM131019020

We are designing an electric space heater to operate from 120V. Two heating elements with resistances R1 and R2 are to be used that can be operated in parallel, separately, or in series. The highest power is to be 1280W, and the lowest power is to be 240W.What values are needed for R1 and R2? What intermediate power settings are available?

Reference no: EM131019020

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